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Learnidex vs Udemy · Online course marketplace
Structured mastery, not a video playlist you buy once.
Udemy is a marketplace of pay-per-course video lessons of wildly varying quality. Learnidex generates a coherent, prerequisite-ordered course around your specific goal — with grading, mastery gates, and a tutor grounded in your own sources.
| Feature | Learnidex | Udemy |
|---|---|---|
| Where courses come from | AI-generated from your goal + your sources | Instructor-uploaded video courses |
| Personalized to your goal | Built around your exact goal | Not available |
| AI tutor on your own materials | Cites your own materials, click-back sources | Not available |
| Grading & GPA | Rubric feedback, letter grades & GPA | Basic quizzes only |
| Concept map & mastery gating | Prerequisite concept graph, gated checkpoints | Not available |
| Adaptive practice | Cycle mode regenerates & scales to mastery | Not available |
| Certificate | Shareable certificate of completion | Completion certificate |
| Pricing model | Free plan, then $20/mo | Pay per course |
No more guessing which of 50 video courses is any good — Learnidex builds one course, ordered by prerequisites, for your exact goal.
Submit real work and get rubric-based grades and feedback, not just a multiple-choice quiz.
A tutor that answers from your uploaded materials with clickable citations.
Checkpoint quizzes gate each concept so nothing sticks by accident.
Learnidex's free plan generates one full course a month at no cost, and paid plans start at $20/mo for 10 courses. Instead of buying a separate video course for every topic, you generate exactly the course you need.
Learnidex focuses on interactive, text-and-media lessons, checkpoint quizzes, flashcards, simulations, and a source-citing tutor — plus optional read-aloud audio — rather than long lecture videos.
No. On the hosted plans everything — course generation, grading, the tutor, and search — runs on our platform. Self-hosters can bring their own key (Anthropic, OpenAI, OpenRouter, or a local Ollama model).
There's a free plan (one AI-generated course a month). Student is $20/mo (10 courses) and Pro is $35/mo (25 courses). Enrolling in a marketplace course others built is always free.
One goal, your sources, a full graded course — on the free plan.